Copying-press



(No Model.)

-S. R. BARTLETT.

COPYING PRESS.

No. 247,530; Patented'Sept. 27,1881.

X r v 7 mihe's'ses; 4 [lawn 6071' UNITED STATES PATENT OFFICE.

SAMUEL R. BARTLETT, OF CONCORD, MASSACHUSETTS.

COPYING-PRESS.

SPECIFICATION forming part of Letters Patent No. 247,530, dated September 27, 1881.

Application filed January 3, 1881.

To all whom it may concern Be itknown that I, SAMUEL R.BARTLETT, a citizen oftheUnitedStates,residingatConcord, in the State of Massachusetts, have invented certain new and useful Improvements in Copying-Presses; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters or figures of reference marked thereon, which form a part of this specification.

My invention relates to that class of presses which are used for the purpose of making copies of letters or other papers; and the nature thereof consists of the combination and arrangement of parts, substantially as hereinafter more fully set forth and claimed.

Referring to the accompanying drawings, Figure 1 is a perspective view of my improved copying-press, and Fig. 2 is asectional view thereof.

B represents the pressing-floor. It is sustained above the platen A by means of its legs X X. It is provided with holes I) I), through which the bolts 9 9 pass freely. It is provided with a socket, T, in which the point Rfits loosely.

A is a platen. It is suspended from the yoke O by means of the bolts g g, which pass loosely through holes 0 0.

O is the yoke, through a screw-threaded aperture in which passes the screw E, and

(No model.)

which has holesp p for the rods or bolts g g to pass through, to permit them to be connected loosely to it, they being headed or nutted above the yoke. It has a lever, D, and a point, B, which rests loosely in the socket T.

M is a book to be pressed.

The operation is as follows: The screw E is made to revolve by means of the lever D. It is held in the same plane of rotation by the socket T in the floor B, and the yoke O is drawn up. To it is loosely suspended the platen A, which rises freely until it adjusts itself against the floor B, submitting the book M to a uniform pressure, and also distributing the strain on' all parts of the metal, securing freedom from breakage. Then by reversing the motion of the screw the pressure is relieved.

I claim- In a copying-press, the combination, with the fixed orimmovable floor B, having a socket, T, in its upper side, and supports XX, of the platen A, suspended below the floor B, rods or bolts g 9, bridge or yoke 0, connected to the platen by the rods 9 g, passing through the floor B, and screw E, bearing in the socket in the upper side of the floor, passing through the yoke and having the lever D, substantially as and for the purpose set forth.

In testimony whereofI aflix my signature in presence of two witnesses.

- S. R. BARTLETT. Witnesses:

THEO. MAYNARD, G. W. WARNER. 

